Quick update before I go to bed. I finished the wiring on the fan assembly itself. The Weatherpak connector in the pic is for the A/C and IGN signal leads, which will run into the cab, underneath the dash. The IGN lead is what lets the fan run as long as there's power going to it (the IGN lead). You can either wire it directly to the battery so the fan will run until the rad gets down to a certain temp after engine shutdown, or connect it to an actual IGN lead in your factory wiring so the fan is killed immediately upon shutdown. I'll have it connected to a red-guarded switch that's connected directly to the battery so it'll act as a master kill switch. I can let the fan run for a while after shutdown if shit gets toasty, and when I get out I can open the guard and flip the switch so that the fan is killed and doesn't put any draw at all on the battery.
BTW all splices and connections are crimped and soldered, wrapped with a small piece of electrical tape, and shrink wrapped. No chance of shorts here
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'88 FJ62 W/ 253K miles, desmogged, stock SUA W/ full length Add-A-Leafs, Tuffy console, LED interior lighting, Mallory ignition, Ford Contour electric fan, four wheel discs, Aussie sliding windows
Don't cry like a bitch when you feel the pain...